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Senior Python Developer Jobs in Leesburg, VA (NOW HIRING)

BTree Solutions, Inc.

SR. PYTHON DEVELOPER

Reston, VA · On-site

$126K - $170K/yr

Job Title: SR. PYTHON DEVELOPER Location: Reston,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD Contract Type: W2 Development : * Python Developer with experience in Java as a plus. * Proficient ...

Interon IT Solutions

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Senior Python Developer - with Container (EKS) & AWS experience Client: Fannie Mae Location: Reston VA - In person interviews so need Local In EAST coast only Long Term This is for a Senior Python ...

3B Staffing LLC

Senior Python Developer

Herndon, VA · On-site

$124K - $168K/yr

Senior Developer - Python / AWS Workflow Automation About the Role We are seeking a skilled and motivated Senior Developer to join our Workflow Automation team. This role is pivotal in designing ...

Posted today

3B Staffing LLC

Senior Python Developer

Herndon, VA · On-site

$124K - $168K/yr

Senior Developer - Python / AWS Workflow Automation About the Role We are seeking a skilled and motivated Senior Developer to join our Workflow Automation team. This role is pivotal in designing ...

Posted today

CGI Inc.

Senior Python Developer with Spark

Reston, VA · On-site

$126K - $170K/yr

Senior Python Developer with Spark Category: Project Management Main location: United States, Virginia, Reston Position ID:J0726-1188 Employment Type: Full Time U.S. - Technology as a force for good ...

TiltEdge Solutions LLC

Python Developer

West Mclean, VA · On-site

$65 - $70/hr

Senior Python Developer Location: Full-time on-site in McLean, VA Position: C2H Green Card or USC Local Candidates Only F2F In person Interview Must-Have Qualifications 5+ years of engineering ...

Saransh Inc

Sr. Python Developer with Spark and AWS

Mclean, VA · On-site

$122K - $165K/yr

Role: Sr. Python Developer Location: McLean, VA (Hybrid - 3 days a week onsite) Job Type: Contract Required Skills: Python, Spark, AWS (S3, Lambda, IAM, SG etc.), AWS IAM Idaas Qualifications: * Min ...

Leidos

Senior Python Developer

Chantilly, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Reston, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Herndon, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Aldie, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Noblis

Senior Python Developer

Chantilly, VA · On-site

$124K - $167K/yr

The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Sterling, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

3B Staffing LLC

Sr. Python Developer

Reston, VA · On-site

$126K - $170K/yr

Advanced expertise in Python and other modern programming languages to address business needs. * Expertise in designing, developing, deploying, and managing applications on EKS. * Handson experience ...

Posted today

3B Staffing LLC

Sr. Python Developer

Reston, VA · On-site

$126K - $170K/yr

Advanced expertise in Python and other modern programming languages to address business needs. * Expertise in designing, developing, deploying, and managing applications on EKS. * Handson experience ...

Posted today

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Leesburg, VA

Senior Python Developer information

See Leesburg, VA salary details

$55.6K

$143.6K

$197.2K

How much do senior python developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior python developer in Leesburg, VA is $143,605.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $165,400.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

How much does a senior Python developer make?

A senior Python developer's salary typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may have certifications or experience with cloud platforms, which can influence compensation.

What are the key skills and qualifications needed to thrive as a senior Python developer?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What are the most commonly searched types of Python Developer jobs in Leesburg, VA? The most popular types of Python Developer jobs in Leesburg, VA are:
What are popular job titles related to Senior Python Developer jobs in Leesburg, VA? For Senior Python Developer jobs in Leesburg, VA, the most frequently searched job titles are:
What job categories do people searching Senior Python Developer jobs in Leesburg, VA look for? The top searched job categories for Senior Python Developer jobs in Leesburg, VA are:
What cities near Leesburg, VA are hiring for Senior Python Developer jobs? Cities near Leesburg, VA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Leesburg, VA as of August 2026, with employment types broken down into 2% Internship, 82% Full Time, 9% Part Time, and 7% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $143,605 per year, or $69 per hour.

SR. PYTHON DEVELOPER

BTree Solutions, Inc.

Reston, VA • On-site

$126K - $170K/yr

Contractor

Re-posted 22 days ago

Job description

Job Title: SR. PYTHON DEVELOPER
Location: Reston,VA
Duration: 12+ Months
Visa: USC, GC, H1B and EAD
Contract Type: W2
Job Description:
Development :
  • Python Developer with experience in Java as a plus.
  • Proficient in API Integration.
  • Experience in Microservices architecture is helpful

Agile Scrum :
  • JIRA
  • Confluence
  • GitLab

Practical experience with AWS Native Resources such as :
  • Lambda
  • Batch
  • Step Functions
  • MWAA
  • EventBridge
  • CloudWatch
  • DynamoDB
  • EC2

Source control & CICD automation :
  • GitLab (git)
  • Terraform
  • Jenkins
  • Cloud Formation (CFT)

Other requirements :
  • Experience in highly resilient applications or infrastructure, utilizing multi-region Active/Active, or Active/Standy strategies.
  • Developing, implementing, and supporting Workload Orchestration and Cloud automation experience, providing shared service or infrastructure support to business applications is a plus.
  • Experience in financial, or similar, heavily regulated industries that are subject to SOX compliance is also desired.
  • Must be able to work with dynamic, business driven teams that have varying requirements.

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